Color

#3563f8

#3563f8
hex#3563f8
rgbrgb(53, 99, 248)
hslhsl(226, 93%, 59%)
oklchoklch(0.562 0.228 265.9)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1646

Colors that go with #3563f8

Charcoal, Crimson and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#f8ca35

#35c4f8 · #6935f8

#f83563 · #63f835

Split-complementary

Open in tool →

#f86935 · #c4f835

#f835c4 · #f8ca35 · #35f869

Contrast

#3563f8 as textRatioAAAA largeAAAFix
Aaon white
4.89:1passpassfail
  • AAA: use #093ff1 as the text (7.02:1)
Aaon black
4.29:1failpassfail
  • AA: use #3f6af8 as the text (4.63:1)
  • AAA: use #7090fa as the text (7.06:1)
  • AA: or shift the background to #f7f7f7 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3563f8 as the background.

Brands using this color

Fonts for this mood

#3563f8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3563f8
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3563f8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3563f8-9ca1c4-df774e-221f2d-e9eff1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md